Scientists at Berkeley Lab's Molecular Foundry used one of the world’s most powerful electron microscopes to map the precise location and chemical type of 23,000 atoms in an extremely small particle made of iron and platinum. Insights gained from the particle’s structure could lead to new ways to improve its magnetic performance for use in high-density, next-generation hard drives.
This video begins with an overview of the 3-D positions of individual atoms with iron atoms in red and platinum atoms in blue. It then splits apart into the large and small grains that compose the nanoparticle. (Credit: Colin Ophus and Florian Niekiel, Berkeley Lab)
Microscopy data was obtained and analyzed by Berkeley Lab Molecular Foundry scientists in collaboration with Foundry users from UCLA, Oak Ridge National Laboratory, and the United Kingdom’s University of Birmingham.
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